# End of Windows 7 64bits support?

**URL:** https://forum.syncthing.net/t/end-of-windows-7-64bits-support/26137
**Category:** Support
**Created:** [February 9, 2026, 9:42pm UTC](https://forum.syncthing.net/t/end-of-windows-7-64bits-support/26137 "2026-02-09T21:42:52Z")
**Posts on this page:** 12
**Page:** 1

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### Author: ![cosas](https://forum.syncthing.net/user_avatar/forum.syncthing.net/cosas/32/14159_2.png) [@cosas](https://forum.syncthing.net/u/cosas)
#### Post date: [February 9, 2026, 9:42pm UTC](https://forum.syncthing.net/t/end-of-windows-7-64bits-support/26137/1 "2026-02-09T21:42:52Z")

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Hi

In the past years we had an announcement about the end of support for Win XP ([v1.1.0](https://github.com/syncthing/syncthing/releases/tag/v1.1.0)).

I found V2 won’t start on Win 7 x64. Do we have the same info for this OS so we can pick the latest available working binary from the github assets?

Thank you

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### Author: ![bt90](https://forum.syncthing.net/user_avatar/forum.syncthing.net/bt90/32/18565_2.png) [@bt90](https://forum.syncthing.net/u/bt90)
#### Post date: [February 9, 2026, 10:31pm UTC](https://forum.syncthing.net/t/end-of-windows-7-64bits-support/26137/2 "2026-02-09T22:31:33Z")

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> <https://github.com/syncthing/syncthing/issues/9282>
>
> \### Does your log mention database corruption?
> 
> Not sure.
> 
> \### Include requi…red information
> 
> - which version of Syncthing and what operating system you are using
> 1.27.1 Windows
> Fresh downloaded, and files are intact.
> 
> - what happened,
> 
> D:\\syncthing-windows-amd64-v1.27.1\>syncthing.exe --version
> Exception 0xc0000005 0x8 0x0 0x0
> PC=0x0
> 
> runtime.asmstdcall()
> runtime/sys\_windows\_amd64.s:65 +0x75 fp=0x22fca0 sp=0x22fc80 pc=0x473dd5
> rax 0x0
> rbx 0x1a27f20
> rcx 0x1a88240
> rdi 0x7fffffde000
> rsi 0x22fea0
> rbp 0x22fde0
> rsp 0x22fc78
> r8 0x0
> r9 0x22fee0
> r10 0x1a59a38
> r11 0x21
> r12 0x22fec0
> r13 0x1
> r14 0x1a27480
> r15 0x0
> rip 0x0
> rflags 0x10293
> cs 0x33
> fs 0x53
> gs 0x2b
> 
> 
> - what you expected to happen instead, and
> - any steps to reproduce the problem.
> 
> Old version works, till syncthing auto upgrades to 1.27.1.
> 
> D:\\syncthing-windows-amd64-v1.27.0\\syncthing-windows-amd64-v1.27.0\>syncthing.exe -version
> syncthing v1.27.0 "Gold Grasshopper" (go1.21.3 windows-amd64) builder@github.syncthing.net 2023-11-27 03:45:21 UTC

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<div class="post-metadata">

### Author: ![bt90](https://forum.syncthing.net/user_avatar/forum.syncthing.net/bt90/32/18565_2.png) [@bt90](https://forum.syncthing.net/u/bt90)
#### Post date: [February 9, 2026, 10:33pm UTC](https://forum.syncthing.net/t/end-of-windows-7-64bits-support/26137/3 "2026-02-09T22:33:59Z")

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Ah and the most obvious part: get rid of Windows 7

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### Author: ![Nummer378](https://forum.syncthing.net/user_avatar/forum.syncthing.net/nummer378/32/5958_2.png) [@Nummer378](https://forum.syncthing.net/u/Nummer378)
#### Post date: [February 9, 2026, 11:06pm UTC](https://forum.syncthing.net/t/end-of-windows-7-64bits-support/26137/4 "2026-02-09T23:06:05Z")

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Which OS is required for which go version is codified in a machine-readable way here:

> <https://github.com/syncthing/syncthing/blob/main/compat.yaml>

Which go version a specific syncthing version was built with is in the docs: [Versions & Releases — Syncthing documentation](https://docs.syncthing.net/users/releases.html#historical-releases)

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### Author: ![tomasz86](https://forum.syncthing.net/letter_avatar_proxy/v4/letter/t/96bed5/32.png) [@tomasz86](https://forum.syncthing.net/u/tomasz86)
#### Post date: [February 9, 2026, 11:41pm UTC](https://forum.syncthing.net/t/end-of-windows-7-64bits-support/26137/5 "2026-02-09T23:41:17Z")

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> [@Nummer378](#):
>
> Which go version a specific syncthing version was built with is in the docs: [Versions & Releases — Syncthing documentation](https://docs.syncthing.net/users/releases.html#historical-releases)

Just a note, but as far as I remember, that list isn’t 100% correct, i.e. sometimes there can be discrepancies between Go versions used to built Syncthing depending on the OS.

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<div class="post-metadata">

### Author: ![cosas](https://forum.syncthing.net/user_avatar/forum.syncthing.net/cosas/32/14159_2.png) [@cosas](https://forum.syncthing.net/u/cosas)
#### Post date: [February 10, 2026, 7:55am UTC](https://forum.syncthing.net/t/end-of-windows-7-64bits-support/26137/6 "2026-02-10T07:55:42Z")

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Thank you guys, I didn’t search **deep enough** 😉

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### Author: ![calmh](https://forum.syncthing.net/user_avatar/forum.syncthing.net/calmh/32/15311_2.png) [@calmh](https://forum.syncthing.net/u/calmh)
#### Post date: [February 10, 2026, 9:30am UTC](https://forum.syncthing.net/t/end-of-windows-7-64bits-support/26137/7 "2026-02-10T09:30:13Z")

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> [@tomasz86](#):
>
> as far as I remember, that list isn’t 100% correct

Indeed. The differences are few and far between though, literally a handful releases over the decade. Consider it \>99% accurate. 🙂

In any case, the runtime version guide is a bit rough. Our metadata that is now included with the build goes by which version a platform is _officially_ no longer supported in.

However in this case, if it’s correct that v1.27.1 was the first version to break on Windows 7 (which is entirely plausible) then that coincides with the change from Go 1.21.4 to 1.21.5. Support for Windows 7 was officially gone in Go 1.21.0 (Syncthing 1.24.0), but that doesn’t always mean it breaks immediately.

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<div class="post-metadata">

### Author: ![basiliscos](https://forum.syncthing.net/user_avatar/forum.syncthing.net/basiliscos/32/9080_2.png) [@basiliscos](https://forum.syncthing.net/u/basiliscos)
#### Post date: [February 10, 2026, 12:17pm UTC](https://forum.syncthing.net/t/end-of-windows-7-64bits-support/26137/8 "2026-02-10T12:17:24Z")

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You can fallback to [syncspririt](https://github.com/basiliscos/syncspirit), which has less features than syncthing, but is usable, if you still need w7 support. I tested it with recent syncthing releases (2.x) and it seem ok.

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### Author: ![mraneri](https://forum.syncthing.net/letter_avatar_proxy/v4/letter/m/b19c9b/32.png) [@mraneri](https://forum.syncthing.net/u/mraneri)
#### Post date: [February 10, 2026, 1:29pm UTC](https://forum.syncthing.net/t/end-of-windows-7-64bits-support/26137/9 "2026-02-10T13:29:53Z")

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I ran windows 7 for quite a long time after support ended and I had to revert to 1.27 after the auto update failed.

I reverted to 1.27 and had no problem for probably 1 year after that point before I finally retired the machine.

If you’re still having to run windows 7 I would have no additional concern to recommend running 1.27 on it. It works great.

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<div class="post-metadata">

### Author: ![calmh](https://forum.syncthing.net/user_avatar/forum.syncthing.net/calmh/32/15311_2.png) [@calmh](https://forum.syncthing.net/u/calmh)
#### Post date: [February 11, 2026, 10:21am UTC](https://forum.syncthing.net/t/end-of-windows-7-64bits-support/26137/10 "2026-02-11T10:21:46Z")

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> [@calmh](#):
>
> Consider it \>99% accurate.

Of course, as soon as I claim we don’t do Go runtime differences any more, Go 1.26.0 is released and doesn’t build for Windows. 😕

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<div class="post-metadata">

### Author: ![cosas](https://forum.syncthing.net/user_avatar/forum.syncthing.net/cosas/32/14159_2.png) [@cosas](https://forum.syncthing.net/u/cosas)
#### Post date: [February 14, 2026, 10:25am UTC](https://forum.syncthing.net/t/end-of-windows-7-64bits-support/26137/11 "2026-02-14T10:25:46Z")

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Thank you all. 1.27.0 works OK ATM.

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<div class="post-metadata">

### Author: ![system](https://forum-uploads.syncthingcdn.net/original/2X/0/0b50e0a202b22ae6a67190759e8c868805b8ed9f.png) [@system](https://forum.syncthing.net/u/system)
#### Post date: [March 16, 2026, 10:26am UTC](https://forum.syncthing.net/t/end-of-windows-7-64bits-support/26137/12 "2026-03-16T10:26:11Z")

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